543689045497 has 8 divisors (see below), whose sum is σ = 585662200200. Its totient is φ = 501737450880.

The previous prime is 543689045489. The next prime is 543689045593. The reversal of 543689045497 is 794540986345.

It can be written as a sum of positive squares in 4 ways, for example, as 139299886441 + 404389159056 = 373229^2 + 635916^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 543689045497 - 2³ = 543689045489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543689045437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5337622 + ... + 5438527.

It is an arithmetic number, because the mean of its divisors is an integer number (73207775025).

Almost surely, 2^543689045497 is an apocalyptic number.

It is an amenable number.

543689045497 is a deficient number, since it is larger than the sum of its proper divisors (41973154703).

543689045497 is a wasteful number, since it uses less digits than its factorization.

543689045497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10780043.

The product of its (nonzero) digits is 130636800, while the sum is 64.

The spelling of 543689045497 in words is "five hundred forty-three billion, six hundred eighty-nine million, forty-five thousand, four hundred ninety-seven".